DI05000221 · Semester 5 · 5G scheme
Electrical Vehicle Technology
Notes and solutions following the Gujarat Technological University (GTU) syllabus for DI05000221. Independent material — not issued by the university.
Electrical EngineeringRenewable Energy
Materials
Complete Book
The whole syllabus, unit by unit, written for the exam.
Complete Book
41 pages
Premium Preview · 8 pages
Syllabus units
Unit 1: Introduction to Electric Vehicles and Vehicle Dynamics
- Evolution and need of electric vehicles
- Limitations of IC engine vehicles and advantages of EVs
- Types of electric vehicles: BEV, HEV, PHEV, FCEV: Definition, Example
- Basic architecture of EV: Block diagram and components (Battery, Controller, Motor, Drivetrain)
- Power flow in electric vehicles: BEV (battery to motor), HEV (engine + battery combined operation), PHEV (hybrid with external charging)
- Comparison of EV and IC engine vehicles
- EV economics: Total Cost of Ownership (TCO), Payback period (numerical)
- Drive cycle: Definition and purpose, Types (urban, highway - basic idea), Importance in EV performance evaluation
- Vehicle dynamics basics: Rolling resistance, Aerodynamic drag, Gradient (hill climbing) force
- Numerical problems: Estimation of tractive force and power required for vehicle motion
Unit 2: Electric Propulsion System (Motor, Drive and Power Electronics)
- Requirements of EV motors: High torque, High efficiency, Minimal maintenance
- Types of Motors used in EV: BLDC Motor: Construction, working, Advantages, PMSM & Induction Motor: Working, Advantages, Comparisons
- Torque-speed characteristics of motors used in EV
- Motor drives and controllers: Role of inverters in EV, Basic Speed control concept, Basic block diagram of EV drive system, Role of DC-DC converters in EV systems (concept only), PWM concept for voltage and speed control
- Regenerative braking in EV: Numerical on regenerative braking
Unit 3: Battery Technology and Energy Storage Systems
- Battery basics: Voltage, current, capacity, energy
- Battery parameters: State of Charge (SoC), Depth of Discharge (DoD), C-rate, State of Health (SoH)
- Types of batteries: Lead-acid, NiMH, Lithium-ion, Lithium-ion working principle
- Hybrid energy storage system: Battery and ultra-capacitor, Comparison (energy density vs power density)
- Battery pack design: Series and parallel configuration
- Battery calculations: Ah, Wh calculation, Driving range estimation (Wh/km method) Simple numerical problems
- Fuel cell basics: Working principle and application in EV
- Battery Management System (BMS): Functions, protection, balancing, thermal management
Unit 4: EV Charging Systems, Infrastructure and Policies
- Types of Charging systems: AC charging (slow and moderate charging: Level 1 and Level 2), DC charging (fast charging - Level 3), Comparison of AC and DC charging, On-board and Off-board Chargers: Definition and working & Comparison
- Charging Methods: Constant Current (CC), Constant Voltage (CV), CC-CV method (basic concept)
- Charging Standards: Type 2, CCS (Combined Charging System), Bharat EV
- Basic Charging Infrastructure: Public charging, Private charging, Charging station concept
- EV policies (India): FAME scheme (basic concept), State EV policies (overview)
About this course
Study materials, question papers, and solutions for Electrical Vehicle Technology (DI05000221) - Electrical Engineering / Renewable Energy, Semester 5